

enum active_system {
sys_none       = 0,
sys_min        = 1,
sys_property   = 1,
sys_resource,
sys_motion,
sys_sound,
sys_camera,
sys_attention,
sys_animation,
sys_script,
sys_application,
sys_drive,
sys_max
};
sys_mainvm,
sys_sensorvm,
sys_behaviorvm,
sys_uservm,

